Bluetooth: V5.0
Working distance:10M
SNR:≥90db
Battery: 3.7V 2400mah
Normal volume playing time:4H
Speaker driver: ¢52mm*2
Power: 4Ω/5W *2
Frequency response:120HZ-20KHZ
Unit size:75mm*75mm*179.8mm
Charging:5V/1000MAH
Charging time: 3-4H